You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: \ \\ \\\ ((\\\\ practical guidebook to (((statistical OR (biostatistics OR statistical)) OR (statistical OR (biostatistics OR statistical))) OR (statistical OR (biostatistics OR statistical))) AND epidemiology.\\\\ ) OR (((\\\\ practical guide to statistics AND epidemiology.\\\\ ) OR (\\\\ practice guide to statistics AND epidemiology.\\\\ ))))~\\\ \\ \*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "\ \\ \\\ ((\\\\ practical guidebook to (((statistical OR (biostatistics OR statistical)) OR (statistical OR (biostatistics OR statistical))) OR (statistical OR (biostatistics OR statistical))) and epidemiology.\\\\ ) OR (((\\\\ practical guide to statistics and epidemiology.\\\\ ) OR (\\\\ practice guide to statistics and epidemiology.\\\\ ))))~\\\ \\ \*".